Rare!  You will receive one  UV reactive Hackmanite cube polished tumble.  These minerals are tenebrescent, they change color in the sunlight.   The mineral features vibrations of high frequency, which have a positive effect on the growth of awareness and personal evolution of its owner. This mineral also enhances all communication abilities and helps one easily discuss what's on their mind. Hackmanite naturally provides a special connection between your mind and throat. This connection pushes one to become expressive and vocal with their personal ideas, feelings, and desires.  1st picture in studio light,  second pic under uv light. 
 
1"
wt.  0.125 for each one.